Add aknowledgment for editorial changes in first Ecma edition (#162)

SHA: b4e47ba
Reason: push, by nicolo-ribaudo

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

index.html

@@ -1490,7 +1490,7 @@
 </style>
   <meta content="Bikeshed version 742f3d674, updated Mon Nov 4 14:56:54 2024 -0800" name="generator">
   <link href="https://tc39.es/source-map/" rel="canonical">
-  <meta content="c691999f63102af9e28a2ee8e8efdf0963c093dd" name="revision">
+  <meta content="b4e47ba184e4da4a6b746360d328ded44606f8d3" name="revision">
   <meta content="dark light" name="color-scheme">
 <style>
   /* match list styles of ecmarkup */
@@ -2182,7 +2182,7 @@
   <div class="head">
    <p data-fill-with="logo"></p>
    <h1 class="p-name no-ref" id="title">Source Map Format Specification</h1>
-   <h2 class="no-num no-toc no-ref heading settled" id="profile-and-date"><span class="content">Stage 0: Strawman, <time class="dt-updated" datetime="2024-12-02">2 December 2024</time></span></h2>
+   <h2 class="no-num no-toc no-ref heading settled" id="profile-and-date"><span class="content">Stage 0: Strawman, <time class="dt-updated" datetime="2024-12-04">4 December 2024</time></span></h2>
    <div data-fill-with="spec-metadata">
     <dl>
      <dt>This version:
@@ -2296,6 +2296,11 @@ <h2 class="no-num heading settled" id="intro"><span class="content">Introduction
 Pavel Podivilov (Google).</p>
    <p>The source map format does not have version numbers anymore, and it is instead
 hard-coded to always be "3".</p>
+   <p>In 2023-2024, the source map format was developed into a more precise Ecma standard,
+with significant contributions from many people. Further iteration on the source map
+format is expected to come from TC39-TG4.</p>
+   <p>Asumu Takikawa, Nicolò Ribaudo, Jon Kuperman
+ECMA-426, 1<sup>st</sup> edition, Project Editors</p>
    <div id="copyright-before" style="display: none"></div>
    <div id="copyright" style="display: none">
     <p>COPYRIGHT NOTICE</p>